<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Login</title>
</head>
<body>
<form action="/login" method="POST">
    <h1>用户名：<input name="username"> </h1>
    <h1>登录密码：<input name="password"> </h1>
    <input type="submit" value="登录">
</form>
</body>
</html>